CN103918775A - Preparation method of dried day lily - Google Patents
Preparation method of dried day lily Download PDFInfo
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- CN103918775A CN103918775A CN201410158500.8A CN201410158500A CN103918775A CN 103918775 A CN103918775 A CN 103918775A CN 201410158500 A CN201410158500 A CN 201410158500A CN 103918775 A CN103918775 A CN 103918775A
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Abstract
The invention belongs to the field of food processing, and particularly relates to a preparation method of dried day lily. The dried day lily is prepared by the working procedures of with fresh day lily buds as raw materials, destemming, rinsing by running water, leaching, putting into dishes, carrying out microwave heating for deactivating enzymes, cooling, carrying out once microwave drying for dehydrating, cooling, carrying out secondary microwave drying for dehydrating, cooling, carrying out three-segment far infrared rotary baking, and packaging. According to the invention, microwave heating for deactivation of enzymes for three times, dehydration and three-segment far infrared rotary baking and drying modes are adopted, the day lily is subjected to enzyme deactivation, dehydration and drying, and sterilization, and the prepared dried day lily can be directly eaten or can be eaten after rehydrated. The method provided by the invention is beneficial to preservation of the dried day lily, also keeps the color, fragrance, flavor and shape of the day lily well, and effectively solves the problem of nutritional ingredient loss in the processes of deactivating enzymes and drying. The dried day lily prepared by the method provided by the invention is straight and uniform in shape, is golden yellow and green in color, and can be preserved for 18 months with perfect packages under the normal temperature condition.
Description
Technical field
The invention belongs to food processing field, particularly the preparation method of drying day lily.
Background technology
Chrysanthemum is the bud of the perennial herb perennial plant of Liliaceae chrysanthemum Lepidium, and nutritive value is abundant, is rich in protein. minerals and vitamins, particularly carotene carotene content are very high, are the hat of vegetables, also contain the multiple amino acid that self can not be synthetic of human body.There is the good reputation of " treasure on seat " and " see as famous flower, with being good medicine, eat as delicacies " from ancient times.At present, on market, chrysanthemum product mainly contains cold storing and fresh-keeping product and dewatering drying product, wherein taking dewatering drying day lily as main." a kind of refrigerated fresh keeping method for daylily " (CN1875726A) discloses a kind of refrigerated fresh keeping method for daylily, the method is that fresh day lily is packaged in the freshness protection package of the antistaling agent that fills sodium hydrogensulfite etc., be to refrigerate at 2～4 DEG C in temperature, use the prepared day lily of the method, the time of guaranteeing the quality is short, even if preservation under refrigerated condition, also can only preserve 2 months, can not regulate the demand of people in dull season to day lily; And in antistaling agent, use and there is malicious sodium hydrogensulfite, reduced the safe mass of product.One procedure that must carry out in drying day lily process is to complete, and the quality of the effect that completes directly has influence on sense organ and the nutritional labeling of day lily, and the mode that day lily completes at present mainly contains solar energy, steam, medicine etc.Solar energy fixing method is simple, and cost is low, but is subject to the impact of rainy weather; Though steam beating speed is fast, the effect that completes is inhomogeneous, and discharges carbon dioxide in atmosphere, is unfavorable for ecological protection; The medicine energy consumption that completes is low, but easily makes product sulfur content exceed standard, and does not meet and uses safe requirement.And in conventional dark yellow, the dry bar softness of the drying day lily color of these methods, drying process, nutritive loss is a little bigger.
Summary of the invention
The weak point existing for prior art, the invention provides the day lily preparation method effective, that product product lover meets again product safety preservation for a long time that completes.
The present invention is achieved through the following technical solutions:
The preparation method of drying day lily, taking fresh day lily bud as raw material, through going stalk, flowing water rinsing, drain, the operation such as sabot, heating using microwave complete, cooling, microwave drying dehydration, cooling, secondary microwave drying and dehydrating, cooling, syllogic far infrared rotary roasting and packaging processes.
Concrete steps are:
(1) go stalk, flowing water rinsing: select collecting time in 4h full, without disease and pest, green and slightly yellowy fresh chrysanthemum bud, remove day lily bennet, and clean with flowing water rinsing;
(2) drain, sabot: the day lily after rinsing is drained to without water droplet drippage, and uniform spreading is placed on the special charging tray of microwave;
(3) heating using microwave completes: charging tray is pushed in 2450MHz microwave heating equipment the day lily processing that completes;
The condition of completing is: heating using microwave power 20KW, and microwave action time 80～100s, then cools rapidly;
(4) microwave drying dehydration: the day lily that is cooled to normal temperature is pushed in 2450MHz microwave drying dehydration equipment and carries out primary dewatering processing;
Primary dewatering condition is: heating using microwave power 16KW, and microwave action time 100～130s, then cools rapidly;
(5) secondary microwave drying and dehydrating: day lily is again pushed and carries out second dehydration processing in 2450MHz microwave dryer;
Second dehydration condition is: heating using microwave power 12KW, and microwave action time 80～100s, then cools rapidly;
Day lily moisture after microwave drying dehydration is 30～35%;
(6) syllogic far infrared rotary roasting: it is that the rotary far infrared curer of 900W carries out the dry processing of syllogic that the day lily that is cooled to normal temperature is put into power;
One section of drying condition is: 45～50 DEG C of baking temperatures, drying time 40～50min;
Two-stage drying condition is: 55～60 DEG C of baking temperatures, drying time 40～50min;
Three sections of drying conditions are: 40～50 DEG C of baking temperatures, drying time 40～50min;
Dried day lily moisture is 10～12%;
(7) packaging: in the packing material that the day lily quantitative package of curing is made in choke, the good food stage packaging material of humidity resistance, sealed type storage.
Wherein, the mode that drains of day lily can be in step (2), mechanical oscillation, electric and magnetic oscillation or naturally drain mode, and draining rear day lily sabot thickness is 4～5cm.
In step (3), day lily need add layer of transparent empire cloth before heating using microwave completes on its surface, after completing, removed transparent insulation cloth.Lay layer of transparent empire cloth, not only can make microwave de-enzyming effect more even, also can prevent and treat moisture evaporation, makes day lily temperature increase rapidly, improves the heating using microwave efficiency that completes;
The mode that day lily after step (3), step (4) and step (5) microwave cools is rapidly to utilize cfentrifugal blower or other Physical temperature-lowering mode to carry out cooling down to room temperature.
In step (6), day lily sabot thickness is 2～3cm.
The microwave heating equipment adopting is the Dongguan City Qi Xie microwave equipment QX-20HM6 of Co., Ltd microwave equipment.Heating using microwave power 12KW, heating using microwave power 16KW, heating using microwave power 20KW are respectively the low grade of this equipment, middle-grade, high-grade power output.
The preparation method of the drying day lily providing of the present invention, adopt three microwaves and syllogic far infrared rotary roasting drying mode, heating using microwave completes and dehydration to day lily, its optionally mode of heating can reduce the loss of the material such as protein, carbohydrate in day lily, simultaneously, the electromagnetism wave energy that microwave produces affects the permeability of microbial cell film, plays the effect of sterilization; Day lily after microwave is tackled its rapid cooling down, and to reduce the destruction of temperature to day lily nutritional labeling more than microwave, free surface moisture in balance day lily, makes follow-up drying effect more even; Three microwaves can not only be to the day lily processing that completes, make the color and luster of product be the golden yellow look that reveals the green, and can kill the effect of most of microorganism and inhibitory enzyme in day lily, make the product can the golden yellow state that reveals the green of long term maintenance in later stage storage, improve the stability of product.Through syllogic far infrared rotary roasting drying mode, after first low temperature high temperature again the alternating temperature drying mode of low temperature day lily is dried to processing, can obtain that color golden yellowly reveals the green, uniform drying, meat are thick, boil for a long time not loose product.Syllogic far infrared rotary roasting drying mode can keep the nutritional labeling in day lily to greatest extent, reduce the rotten of protein in day lily etc., and working environment is clean, occupation area of equipment is little, energy consumption is low, the drying day lily water content making is low to moderate 12%, and product can be preserved 18 months at normal temperatures.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1:
(1) select collecting time in 4h full, without disease and pest, green and slightly yellowy fresh chrysanthemum bud, remove day lily bennet, and clean with flowing water rinsing.
(2) day lily after rinsing is adopted oscillatory type dewatering screen drain to without water droplet drippage, and uniform spreading is placed on the special charging tray of microwave, thickness is 4cm, and covers one deck empire cloth.
(3) charging tray is pushed in 2450MHz microwave heating equipment the day lily processing that completes, the condition of completing is: heating using microwave power 20KW, microwave action time 80s, then utilizes the cfentrifugal blower that wind speed is 3m/s to carry out cooling down to room temperature.
(4) heating using microwave is completed after and the day lily that is cooled to normal temperature push in 2450MHz microwave drying dehydration equipment and carry out primary dewatering processing, primary dewatering condition is: heating using microwave power 16KW, microwave action time 100s, then cool rapidly, then utilize the cfentrifugal blower that wind speed is 3m/s to carry out cooling down to room temperature.
(5) by after microwave drying dehydration and the day lily that is cooled to normal temperature again push and in 2450MHz microwave dryer, carry out second dehydration processing, second dehydration condition is: heating using microwave power 12KW, microwave action time 80s, then utilizes the cfentrifugal blower that wind speed is 3m/s to carry out cooling down to room temperature.Day lily moisture after twice microwave dehydration is 30%.
(6) day lily after secondary microwave drying and dehydrating is put into the rotary far infrared curer of 900W and carry out the dry processing of syllogic, day lily sabot thickness is 2cm, one section of drying condition is: 50 DEG C of baking temperatures, drying time 40min, two-stage drying condition is: 60 DEG C of baking temperatures, drying time 40min, three sections of drying conditions are: 50 DEG C of baking temperatures, drying time 40min, now the moisture of day lily is 10%.
(7) packaging: in the packing material that the day lily quantitative package of curing is made in choke, the good food stage packaging material of humidity resistance, sealed type storage.
Embodiment 2:
(1) select collecting time in 4h full, without disease and pest, green and slightly yellowy fresh chrysanthemum bud, remove day lily bennet, and clean with flowing water rinsing.
(2) day lily after rinsing is adopted oscillatory type dewatering screen drain to without water droplet drippage, and uniform spreading is placed on the special charging tray of microwave, thickness is 5cm, and covers one deck empire cloth.
(3) charging tray is pushed in 2450MHz microwave heating equipment the day lily processing that completes, the condition of completing is: heating using microwave power 20KW, microwave action time 100s, then utilizes the cfentrifugal blower that wind speed is 5m/s to carry out cooling down to room temperature.
(4) heating using microwave is completed after and the day lily that is cooled to normal temperature push in 2450MHz microwave drying dehydration equipment and carry out primary dewatering processing, primary dewatering condition is: heating using microwave power 16KW, microwave action time 130s, then cool rapidly, then utilize the cfentrifugal blower that wind speed is 5m/s to carry out cooling down to room temperature.
(5) by after microwave drying dehydration and the day lily that is cooled to normal temperature again push and in 2450MHz microwave dryer, carry out second dehydration processing, second dehydration condition is: heating using microwave power 12KW, microwave action time 100s, then utilizes the cfentrifugal blower that wind speed is 5m/s to carry out cooling down to room temperature.Day lily moisture after twice microwave dehydration is 32%.
(6) day lily after secondary microwave drying and dehydrating is put into the rotary far infrared curer of 900W and carry out the dry processing of syllogic, day lily sabot thickness is 3cm, one section of drying condition is: 40 DEG C of baking temperatures, drying time 50min, two-stage drying condition is: 60 DEG C of baking temperatures, drying time 40min, three sections of drying conditions are: 40 DEG C of baking temperatures, drying time 50min, now the moisture of day lily is 12%.
(7) packaging: in the packing material that the day lily quantitative package of curing is made in choke, the good food stage packaging material of humidity resistance, sealed type storage.
Embodiment 3:
(1) select collecting time in 4h full, without disease and pest, green and slightly yellowy fresh chrysanthemum bud, remove day lily bennet, and clean with flowing water rinsing.
(2) day lily after rinsing is adopted oscillatory type dewatering screen drain to without water droplet drippage, and uniform spreading is placed on the special charging tray of microwave, thickness is 4.5cm, and covers one deck empire cloth.
(3) charging tray is pushed in 2450MHz microwave heating equipment the day lily processing that completes, the condition of completing is: heating using microwave power 20KW, microwave action time 90s, then utilizes the cfentrifugal blower that wind speed is 4m/s to carry out cooling down to room temperature.
(4) heating using microwave is completed after and the day lily that is cooled to normal temperature push in 2450MHz microwave drying dehydration equipment and carry out primary dewatering processing, primary dewatering condition is: heating using microwave power 16KW, microwave action time 120s, then cool rapidly, then utilize the cfentrifugal blower that wind speed is 4m/s to carry out cooling down to room temperature.
(5) by after microwave drying dehydration and the day lily that is cooled to normal temperature again push and in 2450MHz microwave dryer, carry out second dehydration processing, second dehydration condition is: heating using microwave power 12KW, microwave action time 90s, then utilizes the cfentrifugal blower that wind speed is 4m/s to carry out cooling down to room temperature.Day lily moisture after twice microwave dehydration is 31%.
(6) day lily after secondary microwave drying and dehydrating is put into the rotary far infrared curer of 900W and carry out the dry processing of syllogic, day lily sabot thickness is 2.5cm, one section of drying condition is: 48 DEG C of baking temperatures, drying time 42min, two-stage drying condition is: 58 DEG C of baking temperatures, drying time 45min, three sections of drying conditions are: 45 DEG C of baking temperatures, drying time 45min, now the moisture of day lily is 11%.
(7) packaging: in the packing material that the day lily quantitative package of curing is made in choke, the good food stage packaging material of humidity resistance, sealed type storage.
More than enumerating is only several specific embodiments of the present invention.Obviously, the invention is not restricted to above embodiment, can also have a lot of distortion.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention, all should think protection scope of the present invention.
Claims (5)
1. the preparation method of drying day lily, it is characterized in that: taking fresh day lily bud as raw material, comprise the following steps, go stalk, flowing water rinsing, drain, sabot, heating using microwave complete, cooling, microwave drying dehydration, cooling, secondary microwave drying and dehydrating, cooling, syllogic far infrared rotary roasting and packaging.
2. the preparation method of drying day lily according to claim 1, is characterized in that: comprise the following steps:
(1) go stalk, flowing water rinsing: the fresh chrysanthemum bud of gathering, remove day lily bennet, and clean with flowing water rinsing;
(2) drain, sabot: the day lily after rinsing is drained to without water droplet drippage, and uniform spreading is placed on the special charging tray of microwave;
(3) heating using microwave completes: charging tray is pushed in 2450MHz microwave heating equipment the day lily processing that completes; The condition of completing is: heating using microwave power 20KW, microwave action time 80～100s; Then cool rapidly;
(4) microwave drying dehydration: day lily is pushed in 2450MHz microwave drying dehydration equipment and carry out primary dewatering processing again; Primary dewatering condition is: heating using microwave power 16KW, and microwave action time 100～130s, then cools rapidly;
(5) secondary microwave drying and dehydrating: day lily is pushed carry out second dehydration processing in 2450MHz microwave dryer again; Second dehydration condition is: heating using microwave power 12KW, and microwave action time 80～100s, then cools rapidly;
(6) syllogic far infrared rotary roasting: again day lily is put into far infrared curer and carry out the dry processing of syllogic;
One section of drying condition is: 45～50 DEG C of baking temperatures, drying time 40～50min;
Two-stage drying condition is: 55～60 DEG C of baking temperatures, drying time 40～50min;
Three sections of drying conditions are: 40～50 DEG C of baking temperatures, drying time 40～50min;
(7) packaging: by the day lily quantitative package of curing, sealed type storage.
3. the preparation method of drying day lily according to claim 2, is characterized in that: the laying depth that in step (2), day lily is contained on special charging tray is 4～5cm.
4. the preparation method of drying day lily according to claim 2, is characterized in that: day lily surface cover layer of transparent empire cloth in step (3), then carry out heating using microwave and complete, completes after finishing and remove transparent insulation cloth.
5. the preparation method of drying day lily according to claim 2, is characterized in that: sabot thickness when day lily roasts machine in step (6) is 2～3cm.
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| CN105166015A (en) * | 2015-08-12 | 2015-12-23 | 渠县琦鑫源花卉苗木开发有限公司 | Toona sinensis bud drying method |
| CN105230767A (en) * | 2015-08-31 | 2016-01-13 | 张帆 | Making process of green day lilies |
| CN105875804A (en) * | 2016-05-09 | 2016-08-24 | 江苏省农业科学院 | Method for improving color of dried day lily product by combining ultrasonic-assisted blanching with cascade drying |
| CN106262104A (en) * | 2016-08-24 | 2017-01-04 | 仁怀市学孔乡惠农黄花种植专业合作社 | A kind of drying Radix hemerocalis plicatae |
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| CN107518057A (en) * | 2017-08-10 | 2017-12-29 | 广西柳城县绿之缘生态农业科技有限公司 | It is dehydrated the processing method of day lily |
| CN109567088A (en) * | 2018-12-04 | 2019-04-05 | 四川省宕府王食品有限责任公司 | A kind of infrared water-removing detoxification technology of chrysanthemum |
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| CN110425831A (en) * | 2019-07-29 | 2019-11-08 | 湖南农业大学 | A kind of drying means and its equipment of day lily degradation chlorophyll |
| CN112120185A (en) * | 2020-09-14 | 2020-12-25 | 祁东县农业发展有限公司 | Making process of dried day lily |
| CN113016986A (en) * | 2021-03-29 | 2021-06-25 | 天津科技大学 | Method for improving flavor substances of day lily |
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| CN113016986A (en) * | 2021-03-29 | 2021-06-25 | 天津科技大学 | Method for improving flavor substances of day lily |
| CN113016986B (en) * | 2021-03-29 | 2023-01-13 | 天津科技大学 | Method for improving flavor substances of day lily |
| CN113040213A (en) * | 2021-04-30 | 2021-06-29 | 齐鲁工业大学 | Drying method of celery leaves with low energy consumption and high nutrient component retention degree |
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